织梦dedecms 调用文章图片数功能

 1 function BodyImgNum($aid) 
 2 { 
 3     global $dsql;
 4     $sql = "select aid,body from dede_addonarticle  where aid=‘$aid‘ ";
 5     $arcRow = $dsql->GetOne($sql);
 6     $body = $arcRow[‘body‘];
 7     $img_array = array(); 
 8     $patte="/<[img|IMG].*?src=[\‘|\"](.*?(?:[\.gif|\.jpg]))[\‘|\"].*?[\/]?>/i"; 
 9  
10     preg_match_all($patte,$body,$img_array); 
11     $img_array = array_unique($img_array[1]); 
12     $num = count($img_array);
13     return $num; 
14     
15 }